Split CSSPrimitiveValue into CSSPrimitiveValue and CSSIdentifierValue

third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp

Index: third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
diff --git a/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp b/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
index 4142bc6583d29126022b865e01ddee5f06d36d42..0ac0f2230a4db7fdc488b11f04062ec7ce3081ea 100644
--- a/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
+++ b/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
@@ -146,9 +146,8 @@ static EColorInterpolation colorInterpolationForElement(
           element.presentationAttributeStyle()) {
     const CSSValue* cssValue =
         propertySet->getPropertyCSSValue(CSSPropertyColorInterpolationFilters);
-    if (cssValue && cssValue->isPrimitiveValue()) {
-      const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(*cssValue);
-      return primitiveValue.convertTo<EColorInterpolation>();
+    if (cssValue && cssValue->isIdentifierValue()) {
+      return toCSSIdentifierValue(*cssValue).convertTo<EColorInterpolation>();
     }
   }
   // 'auto' is the default (per Filter Effects), but since the property is